Cephalosporinase and Penicillinase Activity of Gram-negative Bacteria

Cephalosporinase and penicillinase activity of Gram-negative bacteria.

Synthesis and evaluation of the antimicrobial activity of spiro-4H-pyran derivatives on some gram positive and gram negative bacteria

Infections are one of the most important causes of death, disability and inappropriate conditions for millions of people around the world. Therefore, the development in prognosis, prevention and treatment of infectious diseases made a considerable progress in designing and synthesis of new antimicrobial drugs. Nowadays, due to the increase in microbial resistance, discovery of new compounds wit...

Synthesis and evaluation of the antimicrobial activity of spiro-4H-pyran derivatives on some gram positive and gram negative bacteria

Infections are one of the most important causes of death, disability and inappropriate conditions for millions of people around the world. Therefore, the development in prognosis, prevention and treatment of infectious diseases made a considerable progress in designing and synthesis of new antimicrobial drugs. Nowadays, due to the increase in microbial resistance, discovery of new compounds wit...

Antibacterial Activity Studies of Salvia Mirzayanii and Salvia Atropatana against Six Standard Gram Positive and Gram Negative Bacteria

In this study antimicrobial effects of Salivia mirzayanii and Saliva atropatana were evaluated against six gram-positive and gram-negative bacteria by immersion bioautography, cylinder plate and tube dilution methods separately. In bioautography method, essential oils of Salvia mirzayanii and Salvia atropatana were separated on silicagel TLC plates by toluene-ethyl acetate (93-7). In cylander p...

In Vitro Antibacterial Activity of Several Plant Extracts and Oils against Some Gram-Negative Bacteria

Background: Medicinal plants are considered new resources for producing agents that could act as alternatives to antibiotics in the treatment of antibiotic-resistant bacteria. The aim of this study was to evaluate the antibacterial activity of 28 plant extracts and oils against four Gram-negative bacterial species.Methods: Experimental, in vitro, evaluation of the activities of 28 plant extract...